How is the thermal efficiency of a heat engine defined? how is the thermal efficiency of a heat engine defined? the efficiency is defined as the ratio between the work performed and the heat output at the lower temperature. the efficiency is defined as the ratio between the heat output at the lower temperature and the heat input at the higher temperature. the efficiency is defined as the ratio between the work performed and the heat input at the higher temperature. the efficiency is defined as the ratio between the heat input at the higher temperature and the heat output at the lower temperature.
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Physics, 22.06.2019 10:30
Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
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Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
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Physics, 22.06.2019 18:00
Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?
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Physics, 22.06.2019 22:20
A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.
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How is the thermal efficiency of a heat engine defined? how is the thermal efficiency of a heat eng...
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